[jira] [Updated] (FLINK-14871) Better formatter of toString method for StateTransition

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-14871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-14871:
-----------------------------------
    Labels: pull-request-available  (was: )

> Better formatter of toString method for StateTransition
> -------------------------------------------------------
>
>                 Key: FLINK-14871
>                 URL: https://issues.apache.org/jira/browse/FLINK-14871
>             Project: Flink
>          Issue Type: Improvement
>          Components: Library / CEP
>    Affects Versions: 1.9.1
>            Reporter: chaiyongqiang
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: 屏幕快照 2019-11-20 下午3.27.43.png
>
>
> The toString method in StateTransition does not have a good format. 
> {code:java}
> @Override
> 	public String toString() {
> 		return new StringBuilder()
> 				.append("StateTransition(")
> 				.append(action).append(", ")
> 				.append("from ").append(sourceState.getName())
> 				.append("to ").append(targetState.getName())
> 				.append(condition != null ? ", with condition)" : ")")
> 				.toString();
> 	}
> {code}
> The problem is there's no separator between `sourceState.getName()` and "to " which leads to a bad format like the attachment showing.
> A blank space is more friendly.
> {code:java}
> @Override
> 	public String toString() {
> 		return new StringBuilder()
> 				.append("StateTransition(")
> 				.append(action).append(", ")
> 				.append("from ").append(sourceState.getName())
> 				.append(" to ").append(targetState.getName())
> 				.append(condition != null ? ", with condition)" : ")")
> 				.toString();
> 	}
> {code}



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